What makes the Clio Library different
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Unmatched Global Coverage
Access primary law, secondary sources, and exclusive publications from over 100 jurisdictions in one place.
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Intelligent Research Tools
Don’t just search—instantly see which passages carry the most weight, whether cases remain good law, and how statutes have changed over time.
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Historical Accuracy
View legislation as it existed at any point in time, ensuring your analysis reflects the law as it stood when cases were decided.
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Precedent Timeline
Follow how specific legal principles have developed chronologically, connecting past decisions to present applications.
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Always Up to Date
With new legal documents and data added daily, you’re never relying on outdated law.
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Designed by Lawyers
Built with practicing attorneys in mind, the interface and workflows are intuitive, practical, and tailored to how small firms actually work day to day.
How it works
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Surface the law that matters
The Clio Library highlights the passages courts cite most often, so you zero in on the reasoning that carries real weight:
- Understand Precedential Weight: Citation frequency shows which passages carry the most authority.
- Chronological Tracking: Trace how legal principles evolve over time for a stronger narrative.
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Know when laws change
Stay current without lifting a finger:
- Receive automatic alerts when statutes or regulations you rely on are amended.
- View historical versions of laws to ensure you cite the right version for your case.
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See case authority clearly
Color-coded signals and citation analysis let you know instantly if a case has been upheld, questioned, or overturned:
- Discover Hidden Connections: Uncover relationships between cases that traditional searches miss.
- Filter by treatment, jurisdiction, or legal concept for surgical precision.
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Explore without limits
From quick searches to in-depth comparative analysis across jurisdictions, the Clio Library adapts to the way you work:
- Smart search suggestions before you finish typing.
- Browse intuitively by jurisdiction, court, or practice area.
- Advanced Search for pinpoint queries.
- Comparative research across multiple jurisdictions in one view.
Coverage that levels the playing field
1B+
Legal Documents
across over 100 countries.
2,500+
Data Sources
which include exclusive partnerships unavailable on other platforms.
Research smarter. Argue stronger.
With the Clio Library, you don’t just keep up with the law, you stay ahead of it. Built for solos and small firms, it combines comprehensive coverage with intelligent research tools that make every lawyer more effective.
Clio Library FAQs
What is the Clio Library, and how does it support Clio Work?
The Clio Library is the world’s most comprehensive legal library and the data foundation behind Clio Work. It’s comprised of more than one billion verified legal documents across over 100 countries. By supplying authoritative, up-to-date sources, the Clio Library ensures that Clio Work’s research, analysis, and case strategy are grounded in reliable legal citations.
What types of sources are included?
The Clio Library contains case law, statutes, regulations, procedural and practice rules, and legal commentary.
How does the Clio Library help me find the most authoritative passages?
It highlights the passages courts cite most often and shows citation frequency so you can focus on the reasoning that carries the most weight. This ensures your analysis is grounded in authority, not volume.
How does Clio’s AI verify whether a case is still good law?
Clio’s AI uses citation analysis, chronological tracking, and color-coded signals to verify the status and authority of legal decisions. It highlights the passages courts cite most often, shows whether a case has been upheld, questioned, or overturned, and identifies when statutes or regulations have been amended.
Is Clio Work suitable for small law firms?
Yes. Clio Work is purpose-built for small to mid-sized law firms, with intuitive workflows tailored to how small firms operate. It eliminates the complexity and high costs of legacy tools while surfacing the most relevant cases and statutes instantly.
This empowers smaller firms to work more efficiently and compete effectively with larger practices.
How secure is Clio’s AI legal research platform?
Clio Work is built on Clio’s secure, cloud-based infrastructure and adheres to SOC 2 Type II, ISO 27001, GDPR, and HIPAA standards. It never trains AI models on your firm’s data and inherits role-based permissions from Clio Manage to keep access controlled.
All data is processed within a trusted framework that aligns with Clio’s AI Principles and global compliance requirements, so lawyers can research confidently knowing their information is always protected.